package io;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

/**
 * 说明:
 *
 * @author:SuZhongHe
 * @date:2023/3/7
 **/
public class CopeDemo {
    public static void main(String[] args) throws IOException {
        FileInputStream fis= new FileInputStream("001.jpg");
        FileOutputStream fos = new FileOutputStream("001_cp.jpg");
        long start = System.currentTimeMillis();
        int d;
        while ((d=fis.read())!=-1){
            fos.write(d);
        }
        long len = System.currentTimeMillis();
        System.out.println("复制完毕");
        System.out.println("耗时:"+(len-start)+"ms");
        fis.close();
        fos.close();
    }
}
